Alkaline storage battery

Details Alkaline storage battery Alkaline storage battery

2007-04-03

2007-04-03

Maples, John S. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S223000

Reexamination Certificate

active

10758541

ABSTRACT:
An alkaline storage battery having a negative electrode made from a hydrogen absorbing alloy represented by the formula Ln1-xMgxNiy-aMa(where Ln is at least one element selected from rare earth elements, M is at least one element selected from the group consisting of Al, V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Ga, Zn, Sn, In, Cu, Si and P, 0.05≦x<0.20, 2.8≦y≦3.9 and 0.10≦a≦0.50) and carbon as a conductive agent, a positive electrode of nickel hydroxide as an active material, and an alkaline electrolyte, and the alkaline storage battery contains not greater than 0.01 weight % of hydrogen or not greater than 0.13 weight % of water in the hydrogen absorbing alloy when the battery is activated and is discharged to 1.0 V at one hour rate (It).

REFERENCES:
patent: 5840166 (1998-11-01), Kaneko
patent: 2000-188106 (2000-07-01), None
patent: 2001-316744 (2001-11-01), None
patent: 2001-316744 (2001-11-01), None

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